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# -*-perl-*-
$description = "Test order-only prerequisites.";
$details = "\
Create makefiles with various combinations of normal and order-only
prerequisites and ensure they behave properly. Test the \$| variable.";
# TEST #0 -- Basics
run_make_test('
%r: | baz ; @echo $< $^ $|
bar: foo
foo:;@:
baz:;@:',
'', "foo foo baz\n");
# TEST #1 -- First try: the order-only prereqs need to be built.
run_make_test(q!
foo: bar | baz
@echo '$$^ = $^'
@echo '$$| = $|'
touch $@
.PHONY: baz
bar baz:
touch $@!,
'', "touch bar\ntouch baz\n\$^ = bar\n\$| = baz\ntouch foo\n");
# TEST #2 -- now we do it again: baz is PHONY but foo should _NOT_ be updated
run_make_test(undef, '', "touch baz\n");
unlink(qw(foo bar baz));
# TEST #3 -- Make sure the order-only prereq was promoted to normal.
run_make_test(q!
foo: bar | baz
@echo '$$^ = $^'
@echo '$$| = $|'
touch $@
foo: baz
.PHONY: baz
bar baz:
touch $@!,
'', "touch bar\ntouch baz\n\$^ = bar baz\n\$| = \ntouch foo\n");
# TEST #4 -- now we do it again
run_make_test(undef, '', "touch baz\n\$^ = bar baz\n\$| = \ntouch foo\n");
unlink(qw(foo bar baz));
# Test empty normal prereqs
# TEST #5 -- make sure the parser was correct.
run_make_test(q!
foo:| baz
@echo '$$^ = $^'
@echo '$$| = $|'
touch $@
.PHONY: baz
baz:
touch $@!,
'', "touch baz\n\$^ = \n\$| = baz\ntouch foo\n");
# TEST #6 -- now we do it again: this time foo won't be built
run_make_test(undef, '', "touch baz\n");
unlink(qw(foo baz));
# Test order-only in pattern rules
# TEST #7 -- make sure the parser was correct.
run_make_test(q!
%.w : %.x | baz
@echo '$$^ = $^'
@echo '$$| = $|'
touch $@
all: foo.w
.PHONY: baz
foo.x baz:
touch $@!,
'',
"touch foo.x\ntouch baz\n\$^ = foo.x\n\$| = baz\ntouch foo.w\n");
# TEST #8 -- now we do it again: this time foo.w won't be built
run_make_test(undef, '', "touch baz\n");
unlink(qw(foo.w foo.x baz));
# TEST #9 -- make sure that $< is set correctly in the face of order-only
# prerequisites in pattern rules.
run_make_test('
%r: | baz ; @echo $< $^ $|
bar: foo
foo:;@:
baz:;@:',
'', "foo foo baz\n");
1;
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